First, I must say that I do not think that you are asking the question that you mean to ask.
Because, I see only one element of the set of triples, 3-tuples.
Now, I am of course aware that a set of ordered pairs is defined as sets of sets: the pair
And we define the triple .
Therefore, have you asked the question you meant to ask?

First, I must say that I do not think that you are asking the question that you mean to ask.
Because, I see only one element of the set of triples, 3-tuples.
Now, I am of course aware that a set of ordered pairs is defined as sets of sets: the pair
And we define the triple .
Therefore, have you asked the question you meant to ask?

What the perfect hacker answered is right I guess, it's just a matter of curly braces and ( problem